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Greenhouse Effect

Due to global...

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Due to global warming, ice on polar caps is likely to melt in larger quantity. Due to this effect Options: Moment of inertia of earth shell decrease Length of the day shall decrease Angular velocity of earth shall decrease Angular momentum of earth shall decrease

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Q. Assertion :If the ice on the polar caps of the earth melts, then length of day will increase. Reason: Moment of inertia of the earth increases, as ice on polar caps melts.

Q. Assertion :If polar ice melts, days will be longer. Reason: Moment of inertia increases and thus angular velocity decreases.

Q. Find the imaginary angular velocity of the earth for which the effective acceleration due to gravity at the equator shall be zero. In this condition, find the length (in hours) of a day also.

(T a k e, g = 10 m s^{- 2}

for the acceleration due to gravity if the earth were at rest and radius of earth equal to 6400 Km.)

Q. Polar ice caps melt due to global warming.

Q. The imaginary angular velocity of the earth for which the effective acceleration due to gravity at the equator shall be zero is equal to

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Greenhouse Effect

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